The books that the world calls immoral are books that show the world its own shame.

The great difficulty in education is to get experience out of ideas.

Many much-learned men have no intelligence.

The whole of science is nothing more than a refinement of everyday thinking.

If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.

I don't look on poetry as closed works. I feel they're going on all the time in my head and I occasionally snip off a length.

That men do not learn very much from the lessons of history is the most important of all the lessons that history has to teach.

Those who fail to learn the lessons of history are doomed to repeat them.

Reading without reflecting is like eating without digesting.

If I have seen further it is by standing on the shoulders of Giants.

The ability to observe without evaluating is the highest form of intelligence.

Education is a system of imposed ignorance.

He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.

They say a little knowledge is a dangerous thing, but it's not one half so bad as a lot of ignorance.

Just when I thought there wasn't room enough for another thought in my head, I had this great idea.

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.

The more I read, the more I acquire, the more certain I am that I know nothing.

The highest activity a human being can attain is learning for understanding, because to understand is to be free.

All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.

The real solution lies in a world in which charity will have become unnecessary.

A child miseducated is a child lost.